Microsoft's (MSFT) consumer preview of Windows 8 is receiving positive ink. Kevin C. Tofel thinks the combination of the Metro UI, a smart keyboard, gesture and connectivity features, low power consumption, and SkyDrive could make it a "contender" in the tablet market. David Pogue calls the OS a "beautful, logical, and simple" rethinking of Windows, and one that's a "natural fit" for touchscreens.